From b5c3bc6a71339d39ab3e7080be5d19b7e9819564 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Cholewa?= <DaMcpg@protonmail.com>
Date: Fri, 27 Dec 2019 22:50:14 +0100
Subject: [PATCH] LibC: implement fgetpos and fsetpos They're just "front ends"
 for ftell and fseek, but they do their job.

Fixes #913
---
 Libraries/LibC/stdio.cpp | 20 ++++++++++++++++++++
 Libraries/LibC/stdio.h   |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibC/stdio.cpp b/Libraries/LibC/stdio.cpp
index 926ad4d1c1..5f93aba2bb 100644
--- a/Libraries/LibC/stdio.cpp
+++ b/Libraries/LibC/stdio.cpp
@@ -327,6 +327,26 @@ long ftell(FILE* stream)
     return lseek(stream->fd, 0, SEEK_CUR);
 }
 
+int fgetpos(FILE* stream, fpos_t* pos)
+{
+    assert(stream);
+    assert(pos);
+
+    long val = ftell(stream);
+    if (val == -1L)
+        return 1;
+
+    *pos = val;
+    return 0;
+}
+
+int fsetpos(FILE* stream, const fpos_t* pos)
+{
+    assert(stream);
+    assert(pos);
+    return fseek(stream, (long) *pos, SEEK_SET);
+}
+
 void rewind(FILE* stream)
 {
     ASSERT(stream);
diff --git a/Libraries/LibC/stdio.h b/Libraries/LibC/stdio.h
index 197056e783..85086d13d4 100644
--- a/Libraries/LibC/stdio.h
+++ b/Libraries/LibC/stdio.h
@@ -45,7 +45,7 @@ extern FILE* stdin;
 extern FILE* stdout;
 extern FILE* stderr;
 
-typedef size_t fpos_t;
+typedef long fpos_t;
 
 int fseek(FILE*, long offset, int whence);
 int fgetpos(FILE*, fpos_t*);